Testing metadata-adding using IDv3 to a file.

pkg/soundcloud/metadata_test.go

@@ -0,0 +1,100 @@
+package soundcloud_test
+
+import (
+	"bytes"
+	"log"
+	"net/http"
+	"net/http/httptest"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/AYehia0/soundcloud-dl/pkg/soundcloud"
+	"github.com/bogem/id3v2"
+)
+
+func TestAddMetaData(t *testing.T) {
+
+	path := "../../testdata/"
+	downloadTrack := soundcloud.DownloadTrack{
+		Url:     "",
+		Quality: "medium",
+		Ext:     "mp3",
+		SoundData: &soundcloud.SoundData{
+			Id:           75825848,
+			CreatedAt:    "2013-01-21T13:14:46Z",
+			PermalinkUrl: "https://soundcloud.com/sobhi-mohamed5/99-118-mp4",
+			ArtworkUrl:   "https://i1.sndcdn.com/artworks-000038806208-j0yb4i-large.jpg",
+			Title:        "Test1",
+			LikesCount:   355,
+		},
+	}
+
+	// reading the img as [] byte
+	imgBytes := readTestFile("artworks.jpg")
+	testServer := httptest.NewServer(http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
+		res.WriteHeader(http.StatusOK)
+		// return the url
+		res.Write(imgBytes)
+	}))
+
+	// setting the url
+	downloadTrack.SoundData.ArtworkUrl = testServer.URL
+
+	filePath := filepath.Join(path, "Test[low]-nometa.mp3")
+	soundcloud.AddMetadata(downloadTrack, filePath)
+
+	// checking the tags
+	tag, err := id3v2.Open(filePath, id3v2.Options{Parse: true})
+
+	if err != nil {
+		t.Errorf("Something went wrong reading the file tags : %s", err)
+		return
+	}
+
+	defer tag.Close()
+
+	if tag.Genre() != downloadTrack.SoundData.Genre {
+		t.Errorf("Expected Genere to be %s, got %s", downloadTrack.SoundData.Genre, tag.Genre())
+	}
+
+	if tag.Title() != downloadTrack.SoundData.Title {
+		t.Errorf("Expected Title to be %s, got %s", downloadTrack.SoundData.Title, tag.Title())
+	}
+
+	if tag.Year() != downloadTrack.SoundData.CreatedAt {
+		t.Errorf("Expected Date to be %s, got %s", downloadTrack.SoundData.CreatedAt, tag.Year())
+	}
+
+	artist := strings.Split(downloadTrack.SoundData.PermalinkUrl, "/")[3]
+	if tag.Artist() != artist {
+		t.Errorf("Expected Artist to be %s, got %s", artist, tag.Artist())
+	}
+
+	// f := tag.GetFrames("APIC")[0]
+	//
+	// x, _ := f.(id3v2.PopularimeterFrame)
+	pictures := tag.GetFrames(tag.CommonID("Attached picture"))
+	for _, f := range pictures {
+		pic, ok := f.(id3v2.PictureFrame)
+		if !ok {
+			log.Fatal("Couldn't assert picture frame")
+		}
+
+		mimeType := "image/jpeg"
+		if pic.MimeType != mimeType {
+			t.Errorf("Expected Mimetype to be %s, got %s", mimeType, pic.MimeType)
+		}
+		if !bytes.Equal(pic.Picture, imgBytes) {
+			t.Errorf("Expected the picture to be the same as this : %s", "artworks.jpg")
+		}
+	}
+	// // remove the tags
+	tag.DeleteAllFrames()
+
+	if err = tag.Save(); err != nil {
+		t.Errorf("Something went wrong saving the file after removing the tags : %s", err)
+		return
+	}
+
+}